Operation Manual

CP590 Page 89
transmission. DSC will also allow mariners to initiate Position Request, Position Report
Calls to or from another vessel equipped with a DSC transceiver.
Compatible VHF Marine Radios with Digital Selective Calling are able to be interfaced with
the CP590 to send GPS data to the VHF as well as display DSC Calls on the CP590:
1. A vessel that has transmitted a DSC Distress Call
2. A vessel that has transmitted a DSC Position Send Call
3. The position of a vessel that transmitted a DSC Position Request Call
12.9.1 Distress Call
CP590 is able to display the location of a vessel in distress when interfaced to a compatible
DSC VHF with NMEA-0183 output and the radio receives a DSC Distress Call. CP590 also
logs DSC Distress Calls to review at a later date. To select the Distress Call page follow the
procedure:
1. Press [MENU] and move the ShuttlePoint knob to highlight
USER POINTS and press
[ENT].
2. Move the ShuttlePoint knob to highlight
DSC Log and press [ENT].
Figure 12.9.1 - DSC Log - Distress Call
This page allows to:
LOCATE Centers the map on the selected DSC position.
DELETE Deletes the selected DSC position.
DELETE ALL Deletes all entries.
HIDE/SHOW Allows hiding/showing the selected DSC position on the chart.
POSITION REQUEST Allows selecting the Position Request page.
12.9.2 Position Request
CP590 is able to display the location of a vessel when connected DSC VHF radio and when
a Position Request or Report Call is received. CP590 also logs DSC Distress Calls to review
at a later date. To select the Position Request page follow the procedure:
1. Press [MENU] and move the ShuttlePoint knob to highlight
USER POINTS and press
[ENT].
2. Move the ShuttlePoint knob to highlight
DSC Log and press [ENT].
3. Move the ShuttlePoint knob to the right to select
POSITION REQUEST and press
[ENT].